package com.zhoukx.netty.hearbeat;

import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.ChannelInboundHandlerAdapter;
import io.netty.handler.timeout.IdleStateEvent;

public class MyServerHandler extends ChannelInboundHandlerAdapter {
    @Override
    public void userEventTriggered(ChannelHandlerContext ctx, Object evt) throws Exception {
        if (evt instanceof IdleStateEvent) {
            // 将evt 向下转型 IdleStateEvent
            IdleStateEvent event = (IdleStateEvent) evt;
            String eventType = null;
            switch (event.state()){
                case READER_IDLE:
                    eventType="读空闲";
                    break;
                case WRITER_IDLE:
                    eventType="写空闲";
                    break;
                case ALL_IDLE:
                    eventType="读写空闲";
                    break;
            }
            System.out.println(ctx.channel().remoteAddress()+" -- 超时时间--"+eventType);
            System.out.println("服务器做相应的处理...");

            // 如果发生空闲,我们关闭通道
            //ctx.channel().close();
        }
    }
}
